Home / 98,601.10-147,893.34-42,438.94

Finding the Fourth Proportional to 98,601.10, 147,893.34 and 42,438.94

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Solution

The fourth proportional to 98,601.10, 147,893.34 and 42,438.94 is: 63,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,601.10 : 147,893.34 = 42,438.94 : x
  2. Step 2: Convert to fraction form
    98,601.10/147,893.34 = 42,438.94/x
  3. Step 3: Cross multiply
    98,601.10x = 147,893.34 × 42,438.94
  4. Step 4: Simplify right side
    98,601.10x = 6,276,436,582.66
  5. Step 5: Solve for x
    x = 6,276,436,582.66/98,601.10
  6. Step 6: Final answer
    x = 63,654.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.